Swagger Generator

swagger · Developer Tools

Developer Tools No Auth Free & Open developer_tools tools

This is an online swagger codegen server. You can find out more at https://github.com/swagger-api/swagger-codegen or on [irc.freenode.net, #swagger](http://swagger.io/irc/).

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Gets languages supported by the client generator

Gets languages supported by the client generator

https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/clients

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/clients"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/clients",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/clients';

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/clients"
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/clients")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/clients";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Gets languages supported by the server generator

Gets languages supported by the server generator

https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/servers

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/servers"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/servers",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/servers';

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/servers"
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/servers")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/servers";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Returns options for a client library

Returns options for a client library

https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/clients/{language}

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/clients/{language}"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/clients/{language}",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/clients/{language}';

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/clients/{language}"
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/clients/{language}")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/swagger.io/generator/2.4.30/gen/clients/{language}";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗

See official documentation for authentication and setup.

What can you build with Swagger Generator?

Swagger Generator is a Developer Tools API. Developers commonly use developer tools APIs for:

automating code review and quality checks
integrating CI/CD pipelines and build systems
managing feature flags and A/B tests
monitoring errors and application performance
generating and validating test data

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. Swagger Generator is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗